In office Nov 4, 1816 to Dec 1, 1817 Assumed: General Election
Henry I. Mills spent 1 year, 27 days in office in Indiana, all of it at the state level.
Elections
We found no record of Henry I. Mills running for office in Indiana. Our database only focuses on state and federal offices, so it's possible they ran at a different level, or in an office not currently in our database (note: state legislative election data is extremely limited currently).